1200 x 800 pxWhy Are The A's And Mariners Playing Baseball In Japan? - SBNation.com. TOKYO, JAPAN: Infielder Munenori Kawasaki #61 of Seattle Mariners looks on during the pre season game between Yomiuri Giants and Seattle Mariners at Tokyo ....

1200 x 800 px3/14/18: Mariners vs. Giants Open Game Thread - Lookout Landing. the last time the Mariners and Giants faced off, it was a home run party and even Dee was invited Photo by Jennifer Stewart/Getty Images.